375
FZUS52 KCHS 202356
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
756 PM EDT Thu Jun 20 2024

South Santee River SC to Savannah GA out 20 NM and Savannah GA to
Altamaha Sound GA out 60 NM, including Charleston Harbor and
Grays Reef National Marine Sanctuary

AMZ300-211215-
756 PM EDT Thu Jun 20 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A tropical wave will approach the Southeast coast tonight and
shift inland along the northeast Florida and southeast Georgia
coastline on Friday. High pressure will then become the primary
weather feature into the middle of next week.

$$

AMZ330-211215-
Charleston Harbor-
756 PM EDT Thu Jun 20 2024

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. A
slight chance of showers late.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Showers and tstms
likely.
.FRI NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. A chance of showers and tstms, mainly in the evening.
.SAT...SE winds 5 kt, increasing to 10 to 15 kt in the afternoon.
A chance of showers and tstms in the afternoon.
.SAT NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. A chance of showers and tstms in the evening.
.SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt in the afternoon. A chance of showers and tstms in the
afternoon.
.SUN NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. Showers and tstms likely.
.MON NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.TUE...SW winds 5 to 10 kt. A chance of showers and tstms.
.TUE NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 82 degrees.

$$

AMZ350-211215-
Waters from South Santee River to Edisto Beach SC out 20 NM-
756 PM EDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.REST OF TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 6 ft, building to 5 to 7 ft. Wave Detail: E 6 ft at
9 seconds. A slight chance of showers late this evening. A chance
of showers with a slight chance of tstms late.
.FRI...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 6 ft, subsiding to 4 to 5 ft in the
afternoon. Wave Detail: E 6 ft at 9 seconds, becoming E 5 ft at
9 seconds. Showers and tstms likely.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 9 seconds,
becoming E 4 ft at 8 seconds. A chance of showers and tstms.
.SAT...SE winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: E 4 ft at 8 seconds, becoming
E 3 ft at 8 seconds. A slight chance of showers and tstms.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds. A slight chance of showers and tstms in the
evening.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A slight chance of showers and tstms.
.SUN NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
A chance of showers and tstms in the evening, then showers and
tstms likely after midnight.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-211215-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
756 PM EDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.REST OF TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas
5 to 6 ft, building to 5 to 7 ft. Wave Detail: E 6 ft at
8 seconds, becoming E 6 ft at 9 seconds. A slight chance of
showers late this evening. A chance of showers with a slight
chance of tstms late.
.FRI...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds.
Showers and tstms likely.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 9 seconds,
becoming E 4 ft at 9 seconds. A chance of showers and tstms.
.SAT...SE winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: E 4 ft at 8 seconds, becoming
E 3 ft at 8 seconds. A chance of showers and tstms, mainly in the
morning.
.SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds. A slight chance of showers and tstms.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A slight chance of showers and tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-211215-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
756 PM EDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.REST OF TONIGHT...NE winds 20 kt with gusts to 25 kt. Seas 4 to
6 ft, building to 5 to 6 ft. Wave Detail: E 6 ft at 8 seconds. A
slight chance of showers late this evening. A chance of showers.
A slight chance of tstms late.
.FRI...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft.
Wave Detail: E 6 ft at 9 seconds. Showers and tstms.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 9 seconds,
becoming E 4 ft at 9 seconds. Showers and tstms likely, mainly in
the evening.
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: E 4 ft at 8 seconds, becoming
E 3 ft at 8 seconds. A chance of showers and tstms.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A chance of showers and tstms.
.SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.SUN NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.TUE...SW winds 10 kt. Seas 2 ft. A chance of showers and tstms.
.TUE NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-211215-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
756 PM EDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.REST OF TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas
6 to 8 ft, building to 7 to 8 ft. Wave Detail: E 7 ft at
8 seconds, becoming E 7 ft at 9 seconds. A slight chance of
showers early this evening, then a chance of showers late this
evening. Showers likely with a slight chance of tstms late.
.FRI...E winds 15 to 20 kt with gusts to 25 kt. Seas 6 to 8 ft.
Wave Detail: E 8 ft at 9 seconds. Showers and tstms.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft, subsiding to
4 to 5 ft after midnight. Wave Detail: E 6 ft at 9 seconds,
becoming E 5 ft at 9 seconds. A chance of showers and tstms.
.SAT...SE winds 10 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft in
the afternoon. Wave Detail: E 5 ft at 8 seconds, becoming E 4 ft
at 8 seconds. A chance of showers and tstms, mainly in the
morning.
.SAT NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
8 seconds. A chance of showers and tstms.
.SUN...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at
8 seconds. A chance of showers and tstms, mainly in the morning.
.SUN NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. Showers and
tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$